The table shows the electronic structures of four elements.

a. Identify which element(s) will form covalent bonds with carbon.
b. "Carbon reacts with an element in the above table to form several compounds.” Give suitable reason.

Which of the following elements always forms covalent bonds?

Which element forms the highest number of compounds in the periodic table ?

Catenation is the unique property of an element due to which it forms covalent bond with other atoms or the same element. Identify the element.

The electronic configuration of three elements X,Y and Z are as follows X 2,4 Y 2,7 Z 2,1 (a) which two elements will combieto form an ionic compound? (b). Which two elementswill react to form a covalent compound? give reason for your choice.

Name two elemental forms of carbon.